%I #10 Jul 25 2023 15:23:46
%S 1,2,3,4,5,6,7,8,9,10,11,13,26,39,52,65,78,91,104,117,130,143,145,146,
%T 147,148,149,150,151,152,153,154,155,157,168,169,171,172,173,174,175,
%U 176,177,178,179,180,181,182,184,185,186,187
%N Numbers whose base-12 representation has an odd number of runs.
%t Select[Range[200],OddQ[Length[Split[IntegerDigits[#,12]]]]&] (* _Harvey P. Dale_, Jul 25 2023 *)
%K nonn,base
%O 1,2
%A _Clark Kimberling_